:root {
  --paper: #faf8f4;
  --accent: #aa5719;
  --muted: #767268;
  --line: #e6e1d6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  line-height: 1.65;
}

.post {
  max-width: 700px;
  margin: 2rem auto;
  background-color: #fff;
  padding: 48px 24px 96px;
}

.back {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.back:hover { text-decoration: underline; }

article h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  margin: 0 0 8px;
}

article h2 {
  font-size: 1.8rem;
  text-transform: none;
  margin-bottom: 1rem;
}

article h3 {
  font-size: 1.4rem;
  text-transform: none;
}

article h4 {
  font-size: 1.2rem;
}

article b {
  font-weight: 700;
}

article ul {
  margin-left: 25px;
  list-style: square;
  margin-bottom: 2rem;
}

article ol {
  margin-left: 25px;
  list-style: decimal;
  margin-bottom: 2rem;
}

article ul li, article ol li {
  margin-bottom: 1rem;
  line-height: 1.5rem;
}

article ul li::marker, article ol li::marker {
  color: var(--rot);
  font-size: 1.4rem;
  font-weight: 700;
}

article .post-date {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 28px;
}

article .post img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: 32px;
  display: block;
}

article .post p {
  margin: 0 0 20px;
}

article .post code {
  background: var(--line);
  padding: 2px 6px;
  border-radius: 3px;
}